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Thread: Help with ACPI LED




  1. #1
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    Default Help with ACPI LED

    I just finished rebuilding my PC on my P55A-UD7, and the S4_S5_LED is light up, but looking through the manual, I can't find specific info for what that LED lights up to tell me isn't set up right, anyone know what I should check to make sure it is connected properly? Thanks.

    EDIT: When I turn the PC on, it will just power cycle immediately, does not seem to stop.
    Last edited by dark2099; 06-18-2010 at 08:19 AM.
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  2. #2
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    Default Re: Help with ACPI LED

    does the board boot up and into windows or the bios???



    tried clearing the cmos??? power off and makesure all the ram/hdd's/psu power cables/data cables are fitted correctly and fully seated
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  3. #3
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    Default Re: Help with ACPI LED

    Ram should be fine, didn't touch that during the move, have tried resetting all the cables, as I edited into the OP, PC just power cycles from the moment it turns on.
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  4. #4
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    Default Re: Help with ACPI LED

    ram is in the white slots?? tried to clear the cmos by removing mb battery for 30 minutes???
    Gigabyte z77x UP4-TH F11c Modded Bios
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  5. #5
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    Default Re: Help with ACPI LED

    I'll try pulling the battery for an extended time, cleared the CMOS a few times, been meaning to say that too.
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  6. #6
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    Default Re: Help with ACPI LED

    Let us know how you get along with this, an extended clear CMOS should fix it up as long as nothing was damaged.

    Did you remove and reinstall the CPU? If so remove it and check to be sure the socket is ok (No bent pins) then reinstall it and test again and be sure your backplate is not shorting on anything

  7. #7
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    Default Re: Help with ACPI LED

    Just pulled the CPU out, noticed a bunch of bent pins from I have no idea what, they weren't when I put the CPU, also the CPU looks like it got burnt some where the pins are bent. Working on getting pictures right now.


    Last edited by dark2099; 06-20-2010 at 12:50 PM.
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  8. #8
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    Default Re: Help with ACPI LED

    Ouch!!

    That doesn't look good at all, I think your CPU might be OK but your board is not for sure.

    It must have happened the last time you had your CPU out of the socket, that can't happen with the CPU in the socket, so you must have brushed or dropped something on it while the CPU was out and just didn't noticed

    You will need to ebay it and show those images so someone might repair it, then buy a new board.

    Do not continue trying this setup, it will not work and you would only risk doing more damage to your CPU.

    Can you take a closer high res image of the damage? If it is ONLY melted pins and not any bent ones Gigabyte might RMA it for you, but that is a big if because it might be hard to prove/assure them they are only melted and not bent first then melted.

    Always worth a try though, but no matter what you do you need a new motherboard
    Last edited by Lsdmeasap; 06-20-2010 at 02:58 PM.

  9. #9
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    Default Re: Help with ACPI LED

    can the cpu socket be replaced?? ask how much for gigabyte to repair/replace it,it might not be as much as a new board,i agree the cpu lookslike it survived maybe a rub on the brass contacts to remove the scorchmarks with some alcahol?
    Gigabyte z77x UP4-TH F11c Modded Bios
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    Samsung Green(MV-3V4G3D/US) 8GB @2133mhz 9-10-10-21-1t 1.55v
    Thermalright Silver Arrow Cpu Cooler
    1xSamsung 840 pro 256 Gb SSD windows 8.1 pro 64bit
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    http://i38.tinypic.com/14myvfa.jpg x58 ud5 <=3.8ghz + 4.2ghz Overclock Template!!
    http://www.youtube.com/user/warren304#p/u Visit Me On Youtube

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  10. #10
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    Default Re: Help with ACPI LED

    Quote Originally Posted by Lsdmeasap View Post
    Ouch!!

    That doesn't look good at all, I think your CPU might be OK but your board is not for sure.

    It must have happened the last time you had your CPU out of the socket, that can't happen with the CPU in the socket, so you must have brushed or dropped something on it while the CPU was out and just didn't noticed

    You will need to ebay it and show those images so someone might repair it, then buy a new board.

    Do not continue trying this setup, it will not work and you would only risk doing more damage to your CPU.

    Can you take a closer high res image of the damage? If it is ONLY melted pins and not any bent ones Gigabyte might RMA it for you, but that is a big if because it might be hard to prove/assure them they are only melted and not bent first then melted.

    Always worth a try though, but no matter what you do you need a new motherboard
    Not sure about getting pics of the socket, will try, took about 20 to get decent ones, maybe try with Macro mode off, from what I can see it looks mostly like bent pins, they do not look burnt/melted. I guess it happened some how when I swapped out CPUs to see if was that. Also might have some to do with the design of the backplate for my CoolIt ECO, doesn't compensate for the screws ends that stick out on the bottom side of the socket. Guess I'll have to use the one from my Prolimatech Megahalems. Thanks for the info everyone.
    Last edited by dark2099; 06-21-2010 at 03:38 AM.
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